diff --git a/build-lldb-mi.sh b/build-lldb-mi.sh
index 1dd6b13..ebc4db0 100755
--- a/build-lldb-mi.sh
+++ b/build-lldb-mi.sh
@@ -65,7 +65,7 @@ else
     esac
 fi
 
-LLVM_DIR="$PREFIX"
+export LLVM_DIR="$PREFIX"
 
 # Try to find/guess the builddir under the llvm buildtree next by.
 # If LLVM was built without LLVM_INSTALL_TOOLCHAIN_ONLY, and the LLVM
@@ -91,7 +91,7 @@ if [ -d "$LLVM_SRC" ]; then
     done
     if [ -n "$DIRS" ]; then
         dir="$(ls -td $DIRS | head -1)"
-        LLVM_DIR="$LLVM_SRC/$dir"
+        export LLVM_DIR="$LLVM_SRC/$dir"
         echo Using $LLVM_DIR as LLVM build dir
         break
     else
@@ -121,13 +121,13 @@ if [ -n "$HOST" ]; then
         exit 1
         ;;
     esac
-fi
 
-CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH=$LLVM_DIR"
-CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER"
-CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY"
-CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY"
-CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ONLY"
+    CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH=$LLVM_DIR"
+    CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER"
+    CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY"
+    CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY"
+    CMAKEFLAGS="$CMAKEFLAGS -DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ONLY"
+fi
 
 if [ -n "$MACOS_REDIST" ]; then
     : ${MACOS_REDIST_ARCHS:=arm64 x86_64}